Héctor García García

ORCID: 0000-0001-6679-9378
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About
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Research Areas
  • Cardiac Imaging and Diagnostics
  • Coronary Interventions and Diagnostics
  • Microwave and Dielectric Measurement Techniques
  • Cardiac Valve Diseases and Treatments
  • Microwave Imaging and Scattering Analysis
  • Microwave Engineering and Waveguides
  • Wireless Body Area Networks
  • 3D IC and TSV technologies
  • Interactive and Immersive Displays
  • Acute Myocardial Infarction Research
  • Additive Manufacturing and 3D Printing Technologies
  • Cardiovascular Function and Risk Factors
  • Semiconductor Lasers and Optical Devices
  • Advanced Antenna and Metasurface Technologies
  • Augmented Reality Applications
  • Photonic and Optical Devices
  • Spanish Literature and Culture Studies
  • Latin American Literature Studies
  • Rheumatoid Arthritis Research and Therapies
  • Galician and Iberian cultural studies
  • Spanish Culture and Identity
  • Gyrotron and Vacuum Electronics Research
  • Osteoarthritis Treatment and Mechanisms
  • Cardiac, Anesthesia and Surgical Outcomes
  • Bone and Joint Diseases

Universitat de Miguel Hernández d'Elx
2019-2024

MedStar Washington Hospital Center
2016-2021

Center for Rheumatology
2020

Instituto Nacional de Rehabilitación
2019-2020

MedStar Heart & Vascular Institute
2019

Mayo Clinic
2019

Baim Institute for Clinical Research
2018

Erasmus University Rotterdam
2014-2016

Erasmus MC
2014-2016

University of Ioannina
2016

The purpose of this document is to make the output International Working Group for Intravascular Optical Coherence Tomography (IWG-IVOCT) Standardization and Validation available medical scientific communities, through a peer-reviewed publication, in interest improving diagnosis treatment patients with atherosclerosis, including coronary artery disease. optical coherence tomography (IVOCT) catheter-based modality that acquires images at resolution ∼10 μm, enabling visualization blood vessel...

10.1016/j.jacc.2011.09.079 article EN cc-by-nc-nd Journal of the American College of Cardiology 2012-03-01

Abstract Aims The aim of this study was to understand the impact optical coherence tomography (OCT)-detected thin-cap fibroatheroma (TCFA) on clinical outcomes diabetes mellitus (DM) patients with fractional flow reserve (FFR)-negative lesions. Methods and results COMBINE OCT-FFR a prospective, double-blind, international, natural history study. After FFR assessment, revascularization FFR-positive lesions, ≥1 FFR-negative lesions (target lesions) were classified in two groups based presence...

10.1093/eurheartj/ehab433 article EN European Heart Journal 2021-06-25

Objective To evaluate the discriminatory ability of ultrasound in calcium pyrophosphate deposition disease (CPPD), using microscopic analysis menisci and knee hyaline cartilage (HC) as reference standard. Methods Consecutive patients scheduled for replacement surgery, due to osteoarthritis (OA), were enrolled. Each patient underwent examination HC knee, scoring each site presence/absence CPPD. Ultrasound signs inflammation (effusion, synovial proliferation power Doppler) assessed...

10.1136/annrheumdis-2020-217998 article EN Annals of the Rheumatic Diseases 2020-09-28

This paper presents the design of a printed step-type monopole antenna for biological tissue analysis and medical imaging applications in microwave frequency range. The starts from very simple widely known rectangular antenna, different modifications to geometry are made order increase bandwidth. dimensions optimized by means parametric each dimension using 3-D electromagnetic simulator based on finite element method. with final 40 × 36 mm2, is manufactured onto low-cost FR4 (fiber glass...

10.3390/electronics10030304 article EN Electronics 2021-01-27

BACKGROUND: Despite fractional flow reserve (FFR)–guided deferral of revascularization, recurrent events in patients with diabetes or after myocardial infarction remain common. This study aimed to assess the association between FFR-negative but high-risk nonculprit lesions and clinical outcomes. METHODS: is a patient-level pooled analysis prospective natural-history COMBINE (OCT-FFR) (Optical Coherence Tomography Morphologic Fractional Flow Reserve Assessment Diabetes Mellitus Patients)...

10.1161/circinterventions.124.014667 article EN Circulation Cardiovascular Interventions 2025-01-22

A low-cost, additively manufactured, biocompatible glucose sensor based on the changes in unloaded quality factor (Qu) with a single split-ring resonator is presented. An exposition of fundamentals for use Qu as sensing parameter microwave planar resonant sensors shown. The convenience this analyzed from theoretical point view, and practical design optimization guidelines are inferred special focus sensitivity to concentration. For demonstration experimental assessment, novel inverted...

10.1109/tim.2021.3122525 article EN IEEE Transactions on Instrumentation and Measurement 2021-01-01

Although safety and feasibility studies have been published, there are few reports dedicated to the echocardiographic evaluation of patients following percutaneous aortic valve replacement (PAVR). This report describes early undergoing PAVR with CoreValve Revalving System.The population consisted 33 consecutive stenosis who underwent successful PAVR. Echocardiograms were performed pre-treatment (123+/-110 days prior), post-treatment (6+/-2 days) post-discharge (80+/-64 days). Aortic function...

10.4244/eijv4i3a63 article EN EuroIntervention 2008-11-01

This work presents a study on the implementation and manufacturing of low-cost microwave electronic circuits, made with additive techniques using fused deposition modeling (FDM) technology. First, process substrates different filaments, various options offered by in manufacture 3D printing parts, is described. The implemented are structurally analyzed ultrasound to verify correct metallization fabrication substrate, characterization electrical properties frequency range each filament...

10.3390/polym12091946 article EN Polymers 2020-08-28

A novel band-pass filter topology in waveguide technology is presented this work. The proposed design based on a periodic structure that uses modified sections of single-ridge (SRW) as the unit cell to produce desired frequency response. Two-step height profiles are included central part SRW, which provide useful parameters yield simple method achieve required filtering characteristics. suggested and process used responses with different fractional bandwidth rejection 54% centered at 5.4 GHz...

10.1109/tmtt.2020.3006836 article EN IEEE Transactions on Microwave Theory and Techniques 2020-07-15

This work introduces a microwave-based system able to detect tumours in breast phantoms non-invasive way. The data acquisition is composed of hardware which involves high-frequency components (antennas, switches and cables), microcontroller, vector network analyser used as measurement instrument computer devoted the control automation operation system. Concerning software system, runs Python script charge mastering automatising all required stages for acquisition, from initialisation...

10.3390/bios12090752 article EN cc-by Biosensors 2022-09-12

A portable device for noninvasive blood glucose monitoring is presented. The based on a microwave open-loop microstrip resonator, acting as sensor, following the results of previous study. This work shows design and development driving electronics, signal generation system, data processing, measurement setup graphical user interface, to integrate resonator into suitable further experimentation in clinical scenarios. principle relies idea relating unloaded Q factor user's level. An initial...

10.1109/embc.2019.8856934 article EN 2019-07-01

This work shows a proof of concept radar-based microwave imaging system for the detection brain-shift effect with minimum delay. The is based on estimation variations both position and geometry brain in order to detect if remarkable have occurred. To that end, makes use 12 twin antennas as sensing elements, which transmit broadband signals towards patient's head receive corresponding reflections. Printed monopole coplanar feed are considered, featuring broad bandwidth an omnidirectional...

10.1109/tim.2023.3315363 article EN IEEE Transactions on Instrumentation and Measurement 2023-01-01

This work presents the results of a preliminary study conducted to assess viability using 3D printing techniques for manufacturing microwave passive circuits based on microstrip techniques, both prototyping new low-cost devices and fast costless testing designs. The was aimed test two crucial factors in these procedures: performance circuit terms its functionality structural integrity resulting structure. A printer is proposed dielectric substrate design circuits. Standard PolyLactic Acid...

10.5755/j01.eie.25.2.23202 article EN cc-by Elektronika ir Elektrotechnika 2019-04-19

In this work, a new method for the design of band-pass filters in an empty waveguide by using periodic structures is presented theoretical and experimental way. The proposed filter topology uses profile two heights central part Empty Single-Ridge Waveguide (ESRW) generation Electromagnetic Band-Gap (EBG), it provides simple unit cell parameters to produce specific dispersion characteristics. implementation with different fractional bandwidths (36% 55%) characteristics rejection band...

10.1109/access.2022.3175868 article EN cc-by IEEE Access 2022-01-01

In this paper we present different microwave circuits working up to 10 GHz which have been implemented following a low cost 3D additive manufacturing process. It is shown how technology can be used propose disruptive circuit topologies and structures that cannot by conventional technologies (such as planar on commercial laminates, waveguide or SIW technologies...) attain suitable frequency responses. Three designed, simulated, fabricated characterized: lowpass stepped impedance filter,...

10.23919/eumc.2019.8910748 article EN 2019-10-01

In this work, the use of additive manufacturing techniques through stereolithography for manufacture high-frequency circuits and devices is presented. Both resin 3D printer used in research are general-purpose commercial materials, not specifically intended implementation microwave networks. The metallization procedures to produce substrates design planar described, introducing characterization process carried out determine electrical properties used. ultrasonic that allow structural...

10.3390/polym14081612 article EN Polymers 2022-04-15

A proof-of-concept of a microwave imaging system for the fast detection abdominal aortic aneurysms is shown. This experimental technology seeks to overcome factors hampering screening these with usual equipment, such as high cost, long-time operation or hazardous exposure chemical substances. The hardware composed 16 twin antennas mastered by microcontroller through switching network, which connects measurement instrument sequential measurement. software run computer, mastering whole system,...

10.3390/bios14030149 article EN cc-by Biosensors 2024-03-18
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